Someone please explain me the S9 ranked so i can understand and rage less

If im correct the normal player should have a 50% win-lose ratio in your elo which you belong in and that you play against and with other players your skill group. Tell me why this is happening to me. I encourage everyone to just check my Game History in this season and tell me if theres something not right, if its me being in the wrong elo or some other shite. I have to add that in many games i had bronze 1-3 players in my games and i dont know why (that brand game was me not giving a %%%% and tilt playing ranked)
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